Onions.EXE

1 Action - Adventure - Horror | 1 player | 2014

1 Only Up 64

3

4 /5

8 Adventure - Platformer | 1 player | 2023

Oo-Topos

0 Adventure - Text-based | 1 player | 1987

Oogami Ichirou Funtou-ki: Sakura Taisen Kayou Show Beni Tokage yori

0 Adventure | 1 player | 2000

Ookami

0 Action - Adventure | 1 player | 2006

Ooze: Creepy Nites

0 Adventure - Text-based | 1 player | 1989

9 OpenLara

3

4 /5

3 Action - Platformer - Adventure | 2 players | 2016

Opera Fatal

0 Adventure - Edutainment - Music | 1 player | 1996

Operation Odin

0 Adventure - Reflexion | 1 player | 1996

4 Operation Stealth

3

4 /5

2 Adventure | 1 player | 1990

Operation: Eco-Nightmare

0 Adventure - Edutainment | 1 player | 1997

Ore ga Omae o Mamoru

0 Action - Adventure - Platformer | 1 player | 2009

Ore ga Omae o Mamoru

0 Action - Adventure - Platformer | 1 player | 2009

Ore wa Shoujo Mangaka

1

5 /5

0 Adventure - Visual novel | 1 player | 2012

Ore! Tomba

0 Action - Adventure - Platformer | 1 player | 1998

Oregon Trail for Windows

0 Adventure - Simulation - Edutainment | 1 player | 1996

Oregon Trail II

0 Adventure - Simulation - Edutainment | 1 player | 1995

3 Oregon Trail II: 25th Anniversary Limited Edition

0 Adventure - Simulation - Edutainment | 1 player | 1996

Orion Burger

1 Adventure | 1 player | 1996

Orion Burger

1

4 /5

0 Adventure | 1 player | 1996

Osawari Tantei Ozawa Rina

0 Adventure | 1 player | 2006

Osawari Tantei: Ozawa Rina - Season 2 1/2: Rina wa Mita! Iya, Mite nai

0 Adventure | 1 player | 2007

Oscar the Balloonist and the Secrets of the Forest

0 Edutainment - Adventure | 1 player | 2000

Oscar the Balloonist Discovers the Farm

2 Edutainment - Adventure | 1 player | 2001

Oscar the Balloonist Dives into the Lake

0 Edutainment - Adventure | 1 player | 2000

Oscar the Balloonist Drops into the Countryside

0 Edutainment - Adventure | 1 player | 2001

Oscar the Balloonist Flies into the Mountains

0 Edutainment - Adventure | 1 player | 2001

4 Oui-Oui : L'Aventure magique

4

5 /5

0 Adventure - Edutainment | 1 player | 2000

Oui-Oui : Une journée au Pays des jouets

0 Action - Adventure - Platformer | 1 player | 2005

Oumagatoki

0 Adventure | 1 player | 2001

Oumagatoki 2

0 Adventure | 1 player | 2001

Out of this World

1

4 /5

0 Action - Adventure | 1 player | 1992

Out of this World

0 Action - Adventure | 1 player | 1992

Out of This World (Beta)

0 Action - Adventure | 1 player | 1992

Outer World

0 Action - Adventure | 1 player | 1994

Outer World

0 Action - Adventure | 1 player | 1992

Outpost 69: Lust in Space

3 Adventure - Adult | 1 player | 1996

Overlord: Dark Legend

3

4 /5

0 Action - Adventure | 1 player | 2009

Overlord: Les Larbins en Folie

0 Action - Adventure - Puzzle | 1 player | 2009